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Oracle JD Edwards JDENET Kernel Denial Of Service

Oracle JD Edwards JDENET Kernel Denial Of Service
Posted Apr 28, 2011
Authored by Juan Pablo Perez Etchegoyen | Site onapsis.com

Onapsis Security Advisory - JDENet is a network communication middleware that performs network communications workstation-to-server and server-to-server. It is used to call remote functions, to authenticate users and transmit information between hosts in a JD Edwards environment. If a certain type of message, containing a specially-crafted Unicode data packet, is sent to the JDENET Service, the JDENET Kernel executes a system call, using a user-provided value as the time parameter. This causes the service to stop responding for a period of time.

tags | advisory, remote, kernel
SHA-256 | 79b3c65811e59b25443d9a05f8600c42cb7d9ecd8b95e729190c1172ccc7e3e8

Oracle JD Edwards JDENET Kernel Denial Of Service

Change Mirror Download
Onapsis Security Advisory 2011-006: Oracle JD Edwards JDENET Kernel Denial of Service

This advisory can be downloaded in PDF format from http://www.onapsis.com/.
By downloading this advisory from the Onapsis Resource Center, you will gain access to beforehand information on upcoming advisories, presentations and new research projects from the Onapsis Research Labs, as well as exclusive access to special promotions for upcoming trainings and conferences.


1. Impact on Business
=====================

By exploiting this vulnerability, an unauthenticated attacker would be able to remotely block certain functions of the JD Edwards server.
This would result in the unavailability of certain services running in the JD Edwards server. These services are not critical for the common operation of the system.

- Risk Level: Low


2. Advisory Information
=======================

- Release Date: 2011-04-27

- Last Revised: 2011-04-27

- Security Advisory ID: ONAPSIS-2011-06

- Onapsis SVS ID: ONAPSIS-00019

- Researcher: Juan Pablo Perez Etchegoyen


3. Vulnerability Information
============================

- Vendor: ORACLE

- Affected Components:

* JD Edwards 9.0 EnterpriseOne Server + EnterpriseOne Tools 8.98
(older versions might be also affected)

- Vulnerability Class: Denial of service

- Remotely Exploitable: Yes

- Locally Exploitable: No

- Authentication Required: No

- Original Advisory: http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2011-06


4. Affected Components Description
==================================

JDENet is a network communication middleware that performs network communications workstation-to-server and server-to-server. It is used to call remote functions, to authenticate users and transmit information between hosts in a JD Edwards environment.


5. Vulnerability Details
========================

If a certain type of message, containing a specially-crafted Unicode data packet, is sent to the JDENET Service, the JDENET Kernel executes a system call, using a user-provided value as the time parameter. This causes the service to stop responding for a period of time.

Further technical details about this issue are not disclosed at this moment with the purpose of providing enough time to affected customers to patch their systems and protect against the exploitation of the described vulnerability.


6. Solution
===========

Apply Oracle Critical Patch update April – 2010. More information available on http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html

Onapsis strongly recommends Oracle customers to download the related security fixes and apply them to the affected components in order to reduce business risks.


7. Report Timeline
==================

* 2010-09-20: Onapsis provides vulnerability information to Oracle.
* 2010-09-21: Oracle confirms reception of vulnerability submission.
* 2010-09-24: Oracle states vulnerability is under investigation.
* 2010-10-07: Oracle confirms vulnerability.
* 2011-04-19: Oracle releases fixes in CPU.
* 2011-04-27: Onapsis releases security advisory.


About Onapsis Research Labs
===========================

Onapsis is continuously investing resources in the research of the security of business critical systems and applications.

With that objective in mind, a special unit – the Onapsis Research Labs – has been developed since the creation of the company. The experts involved in this special team lead the public research trends in this matter, having discovered and published many of the public security vulnerabilities in these platforms.

The outcome of this advanced and cutting-edge research is continuously provided to the Onapsis Consulting and Development teams, improving the quality of our solutions and enabling our customers to be protected from the latest risks to their critical business information.

Furthermore, the results of this research projects are usually shared with the general security and professional community, encouraging the sharing of information and increasing the common knowledge in this field.


About Onapsis
=============

Onapsis is the leading provider of solutions for the security of ERP and business-critical systems and applications. Through different innovative products and services, Onapsis helps its global customers to effectively increase the security level of their core business platforms, protecting their information and decreasing financial fraud risks.

Onapsis is built upon a team of world-renowned experts in the ERP security field, with several years of experience in the assessment and protection of critical platforms in world-wide customers, such as
Fortune-500 companies and governmental entities.

Our star product, Onapsis X1, enables our customers to perform automated Security & Compliance Audits, Vulnerability Assessments and Penetration Tests over their SAP platform, helping them enforce compliance requirements, decrease financial fraud risks an reduce audit costs drastically.

Some of our featured services include SAP Penetration Testing, SAP Gateway & RFC security, SAP Enterprise Portal security assessment, Security Support for SAP Implementations and Upgrades, SAP System Hardening and SAP Technical Security Audits.

For further information about our solutions, please contact us at info@onapsis.com and visit our website at www.onapsis.com.

Copyright (c) 2011 Onapsis SRL. All rights reserved.
This advisory may be distributed as long as its distribution is free-of-charge and proper credit is given.


--------------------------------------------
The Onapsis Research Labs Team

Onapsis S.R.L
Email: research@onapsis.com
Web: www.onapsis.com
PGP: http://www.onapsis.com/pgp/research.asc
--------------------------------------------

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